Diseases of Guava. Diseases of Field Crops and Their Management Author TNAU, Tamil Nadu . Fruit Fly: Symptoms: During monsoon season, the adult lays eggs on the surface of the fruits. Diseases of Mango 10-16 3. Guava Wilt: Wilt in guava is caused by a fungus Fusarium solani or Cephalosporium sp. Diseases of Apple. or Rhizoctonia sp. When the condition worsened dramatically, experts from TNAU’s Department of Nematology, led by Professor Dr. K. Poornima, visited the area to study. Upon scraping away these spots, a thin, grayish white to dark-colored, necrotic crust remains on the leaf. Guava diseases are among the most important factors in guava production or farming, which cause a major loss in guava fruit yield and vigor. For the past few days, the guava trees in Ayakudi, Dindigul district, have been dying of nematode and wilt disease. Diseases of Guava 33-35 7. Diseases of Brinjal 52-57 10. Diseases: 1. Disease symptoms are exhibited on both abaxial and adaxial leaf surfaces as orange, rust-colored, dense silky tufts ranging from 5 to 8 mm in diameter. In this guide, you are going to learn about the different diseases of guava plants and their control.. Click here if you want to learn more about the botany of the guava tree. Diseases of Chilli 44-51 9. The symptoms appear on the infected trees many months after their roots have been attacked by the fungi. Comprehensive review of work has been done on wilt disease of guava by Prakash and Misra (1993), Misra (1995), Misra and Pandey (1996), Misra (2001) and Negi et al. Diseases of Bhendi 58-61 11. Disease symptoms are exhibited on both abaxial and adaxial leaf surfaces as orange, rust-colored, dense silky tufts ranging from 5 to 8 mm in diameter. Diseases of Banana 17-23 4. (200 1). Diseases of Potato. Diseases of Pomegranate and Papaya 28-32 6. Spraying the trees with 7.0 gm per litter of ZnSo4 and 46.5 gm of FeSo4 improves yield and quality. Sparse foliage, yellowing of leaves and tree wilting are the symptoms. Pests and Diseases in Guava Cultivation:- The following are the major pests and diseases found in Guava cultivation. Management: Spraying the trees with Bordeaux mixture 0.6 % or Copper oxychloride 0.2% before the onset of monsoon reduces the disease incidence. Diseases of Apple 36-43 8. Diseases of Potato 62-72 12. On hatching the maggots enter into the fruits and cause fruit drop. This causes the yield to go down drastically. Diseases of Brinjal. And click here if you want to know the health benefits of guava.. Overview. Prepared by DR. P. M. NIMJE AGRCULTURAL CONSULTANT, AISECT . Diseases of Citrus 5-9 2. Diseases of Grapes 24-27 5. Production Technology: Guava trees are planted at a distance of 5-6 meters. Diseases of Bhendi. 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